He replaces Joe Quesada, whose ten-year run has seen the publisher return from the brink of bankruptcy.

Quesada will continue in the role of chief creative officer.

"It's with tremendous pride that I announce Axel Alonso's promotion to editor-in-chief," said Quesada.

"For over a decade, Axel's been instrumental in bringing fresh new voices to Marvel and reinventing our biggest characters like Spider-Man, the X-Men, Wolverine and so many more. He's fought to create unique imprints like Marvel MAX while also bringing fresh new voices to the Marvel family."